Standing valve



C. E. ALEXANDER.

STANDING VALVE.

Patented Feb. 3, 1920.

Charles CHARLES E. ALEXANDER, OF LOS ANGELES, CALIFORNIA.

STANDING VALVE.

Specification of Letters Patent.

Patented Feb. 3, 1920.

Application filed September 4, 1918. Serial No. 252,553.

To all whom it may concern:

Be it known that T, CHARLES E. ALEXAN- nnR, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented a new and useful Standing Valve, of which the following is a specification.

This invention relates to valves of the character designed to be used in connection with the pumping of liquids and more particularly to so-termed standing valves of the removable type employed in deep wells, and this application is a substitute for my earlier application Serial No. 234,950, filed May 16, 1918.

An object of the invention is to produce a valve of this character which is well packed against leakage and yet can be read ily Withdrawn from the well when it be comes desirable or necessary to do so for rev pair of the valve or for any other reason.

Another object is to improve the packing of valves of this type so as to insure against their working loose which results in leakage between the valve barrel and its seat member.

Another object is to make provision for detachably securing the valve barrel firmly in its seat member by the employment of ex:

pansi'ble split rings which frictionally engage the seat member.

Another object is to produce a standing valve of comparatively simple and inexpensive construction.

()ther objects and advantages Wlll appear in the subjoined detailed descri tion.

The accompanying drawings illustrate the invention:

Figure l is a side elevation partly in ver tical midsection or" a valve constructed in accordance with the provisions of this in vention.

Fig. 2 is a plan section on each of the lines w w Fig, 1.

lFig. 8 is a plan section on line oa -:0 Fig. l.

Fig. 4: is a plan section on each of the llnes w --m Fi 1.

There is provided a tubular seat member in the form or" a sleeve 1 having its bore enlarged and screw-threaded at the opposite ends as indicated at 2 and 3. The screwthreads 2 are designed to connect the seat member with pump tubing, not shown, and the screw-threads 3 are provided for connecting a tailpipe or other suction member with the seat member. The lower end of the seat member '1, just above the screwthreads 3, is reduced downwardly to form a tapered seat 4- which conforms with the peripheral tapered face of a downwardly reduced tubular nut 5 screw-threaded onto a valve barrel body 6 at an externally reduced portion? of said barrel body. The nut 5 and body 6 together constitute the barrel of the standing valve.

The construction now to be described is not essential under all conditions of installation of the valve but may be used to aid in holding the barrel body stationary.

Tmmediately above the seat 4 the bore of the seat-member 1 is provided with an annular groove 8 in which is adapted to seat a resilient split locking ring 9 that surrounds the barrel body 6. The upper portion of the groove 8 is tapered upward and inward as indicated at 10 so that when it is desired to Withdraw the barrel from the seat member l the tapered portion 10 will act to contract the split ring 9 suiiiciently so that it will pass through the smallest portion 11 of the bore of the seat member.

The ring 9 may be constructed oi spring steel or any other suitable metal of suflicient elasticity to be contracted to a small enough diameter that will permit of it passing through the portion 11 of the bore of the seat member and expanding into the groove 8. The ring 9 may be turned from soft steel and then properly tempered or it may be formed in any other manner known in the metal working arts.

The sleeve 1 is provided at the upper end or the bore portion 11 with an upwardly and outwardly tapered portion 5 so that, in the operation of inserting the barrel, the tapered portion 5 will act to contract the split ring 9 sufficiently so that it will pass through the bore portion 11 of the seat member.

Uther resilient split rings 12 are always provided surrounding the barrel body 6 and are normally pressed outward because of their resilient nature against the bore portion l1 of the seat member 1. The split rings 12 serve as packing rings and the split ring 9, besides functioning as a looking ring, also functions as a packing ring. Between the split rings 12 and between the lower split ring 12 and the split ring 9 are spacing collars 13 to space the split rings from one another so that if two adjacent rings should become turned to such position struction is perfectly obvious.

as to cause the openings 1 1 therein to register with one another fluid could not pass from the opening in one ring to the opening in the other ring since the spacing collars l3 engage the split rings.

The rings 12 may be made of iron, steel or the like of resilient quality, though the resiliency need not be as great as that of the ring 9. The frictional hold of the rings 12 is relied upon to keep the barrel stationary on its seat 1 and this frictional hold is considerable owing to the total contacting area of the rings. The frictional hold is sufficient to prevent working loose of the barrel even though the groove 8 and ring 9 were omitted, and the invention includes a construction in which the groove 8 and ring 9 are omitted. It is not necessary to illustrate the construction in which the groove and ring 8, 9 are omitted since such conrings 12 perform the two-fold function of holding the barrel against being pulled out of its seat member excepting by relatively great force, and of preventing the passage pf liquid between the barrel and seat mem- The upper end of the nut 5 forms an external annular shoulder a on the barrel and the split ring 9 rests against the shoulder a. The upper edge of the upper split ring 12 is engaged by an external annular shoulder 15 on the barrel. When the nut 5 is turned up against the shoulder 16 on the barrel body 6 the annular space between the upper 'end of the nut 5 and the shoulder 15 is just sufficiently long to accommodate the rings 9, 12 and spacing collars 13. When the nut 5 is so seated the rings 9, 12 and spacing collars 13 will be held close together, but will not be held so tight as to prevent free expansion of the split rings against the seat member 1. It is understood that the spacing collars 13 and shoulder 15 need not tightly fit the bore of the seat member 1, but the clearance is too slight to indicate in the drawings.

Seated against the shoulder 15 and screwthreaded onto the upper end of the barrel body 6 is a valve cage 17 provided with a valve seat 18 for a valve ball 19. The valve seat and ball 18, 19 together form the valve proper of the standing valve.

The nut 5 is provided adjacent its upper end with a straight cylindrical portion 20 adapted when the standing valve is new to project above the upper end of the seat 4: as

shown in Fig. 1, so that wear can take place between the nut 5 and seat 4 without liability of the lower edge of the locking ring 9 coming in contact with the shoulder. 21 that,

forms the lower edge or wall of the annular groove 8. If the locking ring 9 should be forced against the shoulder 21 it is clear that said ring together with the other split Thus the naaavae rings 12 might be subject to such edgewise pressure as would prevent them from freely expanding against the inner face of the seat member 1 andthus preclude eflicient packing effect of the rings.

1n practice, assuming that the standing valve is installed in a well in the manner well understood in the pumping art with the parts'in the positions shown in Fig. 1, if it be desired to pull the valve for any reason whatsoever, the usual Grarbutt rod or other suitable analogous device is attached to the valve cage 17 and power is applied to said rod to raise the barrel 5, 6. The raising pressure is transmitted by the nut 5 to thering 9 to move said ring upward in the groove 8 into engagement with the beveled portion 10 of said groove which of course acts to contract the ring 9 so that as the barrel is withdrawn from the seat member 1 the ring 9 will readily pass through the smaller bore portion 11 of the seat member.

To insert the valve in place in the well, a reversal of the operation just described will cause the locking ring 9 to become seated in the groove 8.

From the foregoing it is clear that the barrel will normally remain with the nut 5 seated in the seat member 1, that the split rings 9 and 12 will prevent leakage between the barrel 6 and seat member 1 even if the nut 5 should not be absolutely tight upon the seat 41, and that the barrel cannot be withdrawn from the seat member 1 without there is produced sufficient pull on the barrel to overcome the frictional hold of the rings 12 on the barrel and, if the ring 9 is used, to cause contraction of the locking ring 9 to a degree permitting the locking ring to be drawn through the bore portion 11.

The above described construction provides first, for efiicient packing of the valve, thus minimizing the number of times that it will be necessary to pull the valve in a given period of time for the reason that the particular packing decribed is more durable than the form of packing generally employed for this purpose; second, for ease of withdrawing the valve and reseating the valve when such withdrawing and reseating become necessary for renewal or repair of the valve seat and valve ball or for any other reason whatsoever; and, third, for efficiently holding the valve barrel in place in the seat member when suction is produced by the pump in the well in which the standing valve is in use. a

1 claim:

1. A standing valve comprising a tubular member, a barrel having spaced annular shoulders, split resilient rings in the space between the shoulders frictionally engaging the inside face of the tubular member, the expansive force of the rings being suflicient to hold the barrel against being pulled out of the tubular member excepting by a relatively great force, and a valve for the barrel.

2. A standing valve comprising a tubular member, a barrel having spaced annular shoulders, split resilient rings in the space between the shoulders frictionally engaging the inside face of the tubular member, the

expansive force of the rings being suflicient to hold the barrel against being pulled out of the tubular member excepting by a relatively great force, spacing collars on the barrel between adjacent rings, and a valve for the: barrel.

3. A standing valve comprising a tubular member having a tapered seat, a barrel having spaced annular shoulders and having a tapered portion to fit the tapered seat, split resilient rings in the space between the shoulders frictionally engaging the inside face of the tubular member, the expansive force of the rings being sufficient to hold the barrel against being pulled out of the tubular member excepting by a relatively great force, spacing collars on the barrel between adjacent rings, and a valve for the barrel.

4. A standing valve comprising a tubular member having a tapered seat, a barrel body having an annular shoulder near one end, split resilient rings on the barrel below the shoulder, the expansive force of the rings being sufiicient to hold the barrel against being pulled out of the tubular member excepting by a relatively great force, spacing collars on the barrel between adjacent rings, a tubular nut screw-threaded onto the lower end of the barrel body and forming an annular shoulder engaging the lowermost ring, said nut being tapered to fit the tapered seat of the tubular member, and a valve for the barrel.

5. A standing valve comprising a barrel provided with spaced annular external shoulders, a tubular seat member, means to hold the barrel in the seat member against endwise movement, split rings around the barrel between the shoulders, the expansive force or the rings being suflicient to hold the l el against being pulled out of the tubumember exceptin by a relatively great e, spacing collars etween adjacent rings, as a. valve mounted on the barrel.

A standing valve comprisin a barrel provided with an annular externa shoulder, a split locking ring surrounding the barrel above the shoulder, a tubular seat member having an internal annular groove to receive the locking ring, means to cause contraction of the locking ring when the barrel is being withdrawn from the tubular memher, and a valve-mounted on the barrel.

7. standing valve comprising a barrel provided with an annular external shoulder and a tapered portion, a split locking ring as surrounding the barrel above the shoulder,

a tubular seat member having an internal annular groove to receive the locking ring and having a tapered seat to engage the tapered portion of the barrel, means 'to cause contraction of the locking ring when the barrel is being withdrawn from the tubular member, and a valve mounted on the barrel.

8. A standing valve comprising a barrel provided with an annular external shoulder, a split locking ring surrounding the barrel above the shoulder, a tubular seat member having an internal annular groove to receive the locking ring, means to cause contraction of the locking ring when the barrel is being withdrawn from the tubular member, a secthe locking ring and the second shoulder, a

spacing collar between the locking ring and the second split ring, and a valve mounted on the barrel.

10. A standing valve comprising a barrel provided with spaced annular external shoulders, a tubular seat member having an I internal annular groove, split rings surrounding the barrel between the shoulders, one of said rings being adapted to rest in the groove of the seat member and engaging one of the shoulders and the other ring engaging the other shoulder. means to cause contrac tion of the first ring when the barrel is being withdrawn from the tubular member, and a valve mounted on the barrel.

11. A standing valve comprising a barrel provided with spaced annular external shoulders, a tubular seat member having an internal annular groove, split rings surrounding the barrel between the shoulders, one of said rings being adapted to seat in the groove of the seat member and engaging one of the shoulders and the other ring engaging the other shoulder, means to cause contraction of the first ring when the barrel is being withdrawn from the tubular member, a spacing collar between the rings, and a valve mounted on the barrel.

12. A standing valve comprising a barrel body, a split locking ring surrounding the barrel body, a tubular seat member having an internal annular groove to receive the locking ring, means to cause contraction of the locking ring when the barrel is being withdrawn from the tubular member, a tubular nut screw-threaded on the lower end of the barrel body and e aging the locking ring and a valve mounti? on the barrel.

13. A standing valve comprising a barrel body, a split locking ring surrounding the barrel body, a tubular seat member having an internal annular groove to receive the locking ring and having a tapered seat below the groove, means to cause contraction of the locking ring when the barrel is being withdrawn from the tubular member, an externally tapered tubular nut screw-threaded I on the lower end of the barrel body and enspacing collar above the locking ring, an-

other split ring between the spacing collar and the annular shoulder, and a valve mounted on the barrel.

15. A standing valve comprising a barrel provided with an annular external shoulder, a split locking ring surrounding the barrel above the shoulder, a tubular seat member having an internal annular groove to receive the locking ring, said groove having an upwardly and inwardly tapered portion at its uriper end, and a valve mounted on the barre 16. A standing valve comprising a barrel provided with an external annular shoulder and with a tapered portion at its lower end, a split locking ring surrounding the barrel above the shoulder, a tubular seat member having an internal annular groove to receive the locking ring and having a tapered seat just below the groove for the tapered ve being of end of the barrel, said g ring, and a greater width than the loc valve mounted on the barrel.

17. A standing valve comprising a barrel body, a split locking ring surrounding the barrel body, a tubular seat member having an internal annular groove to receive the locking ring and having a tapered seat just below the groove, said groove having an upwardly and inwardly tapered portion at its upper end, a tubular nut screw-threaded on the lower end of the barrel body and engaging the locking ring and provided with a tapered portion to fit the ta ered seat, and a valve mounted on the barre 18. A standing valve comprising a barrel body, a split locking ring surrounding the barrel body, a tubular seat member having an internal annular groove to receive the locking ring and having a tapered seat just below the gI'OOVB, said groove having an upwardly and inwardly tapered portion at its upper end and being wider in its untapered portion than the locking ring, a tubular nut screw-threaded on the lower end of the barrel body and engaging the locking ring and provided with a tapered portion to fit the tapered seat, and a valve mounted on th barrel. Y

19. A standing valve comprising a barrel having an external annular shoulder, a tubular seat member surrounding the barrel, one end of the barrel being in the form of a tubular nut, rings surrounding the barrel and extending from the shoulder to the nut, alternate rings being split and the other rings being unsplit, vthere being an annular groove in the seat member to receive one 01 the split rings, and a valve mounted on the barrel.

Signed at Bakersfield, California, this 15th day of August, 1918.

CHARLES E. ALEXANDER.

Witnesses:

ZnLLA DUFF, S. '1. ALEXANDER. 

